3222556 has 6 divisors (see below), whose sum is σ = 5639480. Its totient is φ = 1611276.

The previous prime is 3222551. The next prime is 3222581. The reversal of 3222556 is 6552223.

It is a self number, because there is not a number n which added to its sum of digits gives 3222556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402816 + ... + 402823.

Almost surely, 2^3222556 is an apocalyptic number.

It is an amenable number.

3222556 is a deficient number, since it is larger than the sum of its proper divisors (2416924).

3222556 is a wasteful number, since it uses less digits than its factorization.

3222556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805643 (or 805641 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 3222556 is about 1795.1479047700. The cubic root of 3222556 is about 147.7066871628.

Adding to 3222556 its reverse (6552223), we get a palindrome (9774779).

The spelling of 3222556 in words is "three million, two hundred twenty-two thousand, five hundred fifty-six".